{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "potential therapeutic event", "arguments": ["Subject", "Subject.Gender", "Treatment.Drug", "Subject.Race", "Effect", "Subject.Disorder", "Subject.Age", "Treatment.Freq", "Treatment", "Combination.Drug", "Subject.Population", "Treatment.Disorder", "Treatment.Duration", "Treatment.Time_elapsed", "Treatment.Dosage"]}], "input": "In addition to disease refractoriness, rare instances of disease progression from chronic phase to blast crisis during imatinib therapy have recently been anecdotally reported."}
{"potential therapeutic event": []}